From: kernel test robot <lkp@intel.com>
To: Pohsun Su <pohsuns@nvidia.com>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Robert Lin <robelin@nvidia.com>
Subject: arch/xtensa/include/uapi/asm/swab.h:24: undefined reference to `__udivdi3'
Date: Fri, 13 Jun 2025 10:44:51 +0800 [thread overview]
Message-ID: <202506131034.JEmrFDve-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 27605c8c0f69e319df156b471974e4e223035378
commit: b42d781e0350c969ef8155b800e33400f5f8b8a6 clocksource/drivers/timer-tegra186: Fix watchdog self-pinging
date: 4 weeks ago
config: xtensa-randconfig-r052-20250613 (https://download.01.org/0day-ci/archive/20250613/202506131034.JEmrFDve-lkp@intel.com/config)
compiler: xtensa-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250613/202506131034.JEmrFDve-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202506131034.JEmrFDve-lkp@intel.com/
All errors (new ones prefixed by >>):
xtensa-linux-ld: drivers/clocksource/timer-tegra186.o: in function `readl_relaxed':
>> arch/xtensa/include/uapi/asm/swab.h:24: undefined reference to `__udivdi3'
xtensa-linux-ld: drivers/clocksource/timer-tegra186.o: in function `readl_relaxed':
drivers/clocksource/timer-tegra186.c:240: undefined reference to `__udivdi3'
vim +24 arch/xtensa/include/uapi/asm/swab.h
8903709b054a8d arch/xtensa/include/asm/swab.h Harvey Harrison 2009-01-07 19
8903709b054a8d arch/xtensa/include/asm/swab.h Harvey Harrison 2009-01-07 20 static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
8903709b054a8d arch/xtensa/include/asm/swab.h Harvey Harrison 2009-01-07 21 {
8903709b054a8d arch/xtensa/include/asm/swab.h Harvey Harrison 2009-01-07 22 __u32 res;
8903709b054a8d arch/xtensa/include/asm/swab.h Harvey Harrison 2009-01-07 23 /* instruction sequence from Xtensa ISA release 2/2000 */
8903709b054a8d arch/xtensa/include/asm/swab.h Harvey Harrison 2009-01-07 @24 __asm__("ssai 8 \n\t"
8903709b054a8d arch/xtensa/include/asm/swab.h Harvey Harrison 2009-01-07 25 "srli %0, %1, 16 \n\t"
8903709b054a8d arch/xtensa/include/asm/swab.h Harvey Harrison 2009-01-07 26 "src %0, %0, %1 \n\t"
8903709b054a8d arch/xtensa/include/asm/swab.h Harvey Harrison 2009-01-07 27 "src %0, %0, %0 \n\t"
8903709b054a8d arch/xtensa/include/asm/swab.h Harvey Harrison 2009-01-07 28 "src %0, %1, %0 \n"
8903709b054a8d arch/xtensa/include/asm/swab.h Harvey Harrison 2009-01-07 29 : "=&a" (res)
8903709b054a8d arch/xtensa/include/asm/swab.h Harvey Harrison 2009-01-07 30 : "a" (x)
8903709b054a8d arch/xtensa/include/asm/swab.h Harvey Harrison 2009-01-07 31 );
8903709b054a8d arch/xtensa/include/asm/swab.h Harvey Harrison 2009-01-07 32 return res;
8903709b054a8d arch/xtensa/include/asm/swab.h Harvey Harrison 2009-01-07 33 }
8903709b054a8d arch/xtensa/include/asm/swab.h Harvey Harrison 2009-01-07 34 #define __arch_swab32 __arch_swab32
8903709b054a8d arch/xtensa/include/asm/swab.h Harvey Harrison 2009-01-07 35
:::::: The code at line 24 was first introduced by commit
:::::: 8903709b054a8dafe4e8c6d9a6444034d7aba36f xtensa: introduce swab.h
:::::: TO: Harvey Harrison <harvey.harrison@gmail.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-06-13 2:45 UTC|newest]
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